Use the Following to Answer Question

question 119

Multiple Choice

Use the following to answer question
Figure: Interpreting PPF Shifts
-(Figure: Interpreting PPF Shifts) According to the graph,which of the following changes may cause the production possibilities frontier to shift inward from PPF₁ to PPF₀?

• A) increasing the labor force
• B) improving the skills of the workers
• C) increasing government regulation on businesses overall
• D) increasing the population

---

Definitions:

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles.

Sleep Disorders

A group of conditions that affect the ability to sleep well on a regular basis, impacting overall health and quality of life.

Primary Care Provider

The main healthcare professional that a patient consults for their general health concerns.

Essential Oil Diffuser

A device used to release the aroma of essential oils into the air for inhalation, believed to have therapeutic effects.